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参数资料
型号： TB62201AF
元件分类： 运动控制电子
英文描述： STEPPER MOTOR CONTROLLER, 1.5 A, PDSO38
封装： 0.450 INCH, 0.65 MM PITCH, HEAT SINK, PLASTIC, SOP-36/38
文件页数： 10/89页
文件大小： 1396K
代理商： TB62201AF
TB62201AF
2005-04-04
18
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
RON (D-S) 1
Iout = 1.0 A, VDD = 5.0 V
Tj = 25°C, Drain-Source
0.5
0.6
RON (D-S) 1
Iout = 1.0 A, VDD = 5.0 V
Tj = 25°C, Source-Drain
0.5
0.6
RON (D-S) 2
Iout = 1.0 A, VDD = 5 V,
Tj = 105°C, Drain-Source
0.6
0.75
Output transistor drain-source
on-resistance
RON (D-S) 2
9
Iout = 1.0 A, VDD = 5 V,
Tj = 105°C, Source-Drain
0.6
0.75
Electrical Characteristics 2
(unless otherwise specified, Ta
= 25°C, VDD = 5 V, VM = 24 V)
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
Vref input voltage
Vref
10
VM = 24 V, VDD = 5 V,
RESET
= H, Output on
2.0
VDD
V
Vref input current
Iref
10
RESET
= H, Output off
VM = 24 V, VDD = 5 V,
Vref = 3.0 V
0
100
A
Vref attenuation ratio
Vref (GAIN)
6
VM = 24 V, VDD = 5 V,
RESET
= H, Output on,
Vref = 2.0 to VDD 1.0 V
1/4.8
1/ 5.0
1/5.2
TSD temperature
TjTSD
(Note 1)
11
VDD = 5 V, VM = 24 V
130
170
°C
TSD return temperature difference
TjTSD
11
TjTSD = 130 to 170°C
TjTSD
35
°C
VDD return voltage
VDDR
12
VM = 24 V, RESET = H,
STROBE
= H
2.0
4.0
V
VM return voltage
VMR
13
VDD = 5 V, RESET = H,
STROBE
= H
2.0
4.0
V
Over current protected circuit
operation current
ISD
(Note 2)
14
VDD = 5 V, VM = 24 V,
fchop
= 100 kHz set
2.6
A
Note 1: Thermal shut down (TSD) circuit
When the IC junction temperature reaches the specified value and the TSD circuit is activated, the internal
reset circuit is activated switching the outputs of both motors to off.
When the temperature is set between 130 (min) to 170°C (max), the TSD circuit operates. When the TSD
circuit is activated, the function data latched at that time are cleared. Output is halted until the reset is
released. While the TSD circuit is in operation, the charge pump is halted.
Even if the TSD circuit is activated and RESET goes H
→ L → H instantaneously, the IC is not reset until
the IC junction temperature drops 35°C (typ.) below the TSD operating temperature (hysteresis function).
Note 2: Overcurrent protection circuit
When current exceeding the specified value flows to the output, the internal reset circuit is activated
switching the outputs of both shafts to off.
When the ISD circuit is activated, the function data latched at that time are cleared.
Until the RESET signal is input, the overcurrent protection circuit remains activated.
During ISD, the charge pump halts.
For failsafe operation, be sure to add a fuse to the power supply.
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